Oil pressure is down low on gage at idle, and goes up with rpm
My "new to me" 1990 Toyota
pickup v6 3.0L... Is it normal for oil
pressure to fluctuate with R.P.M. s
??? If yes, wouldn't lugging the
engine be extremely harmful?
Idle is enough to build pressure, may could go up alittle but not from say 0 - 40 lbs.
Thanks for the info... My gage for oil pressure goes from 10-40 with RPMs but only after its warmed up and so Im going to have to replace the oil pump next.... \=°}
As a rule of thumb: 10 psi of oil pressure per 1000 rpms.
I would check the pressure sender unit to gauge to be sure its fine by testing a known good gauge or tester in place of your gauge.
I am going to go with your timing chain...the oil pump is driven off that~ so loose chain=lowered pressure~ word~ Jay Q (happy-2-day on deviantart.com)~
Awesome Answers! Thanks so much for the input! It really has helped! ALOT. ;-)
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